CVE-2025-8386

high

Description

The vulnerability, if exploited, could allow an authenticated miscreant (with privilege of "aaConfigTools") to tamper with App Objects' help files and persist a cross-site scripting (XSS) injection that when executed by a victim user, can result in horizontal or vertical escalation of privileges. The vulnerability can only be exploited during config-time operations within the IDE component of Application Server. Run-time components and operations are not affected.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-25-317-02

https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin-AVEVA-2025-005.pdf

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2025/icsa-25-317-02.json

Details

Source: Mitre, NVD

Published: 2025-11-15

Updated: 2025-11-15

Risk Information

CVSS v2

Base Score: 5.5

Vector: CVSS2#AV:L/AC:L/Au:M/C:C/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 6.9

Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:L

Severity: Medium

CVSS v4

Base Score: 7.2

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:P/VC:H/VI:L/VA:L/SC:H/SI:H/SA:H

Severity: High